{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967906892",
    "entityType": "User",
    "nonce": "0x072124c5507be0347f53a1a15b0f4b021219ab144985a31ada9e5efb1ee3e574",
    "signature": "0x85f785dfd8893ffc61aa61c4783c12d68524fd3a059d5d04bab6f7623b9a5f402699b952073dd773bb42867ba88b17969a2661f6c986b6ae3f12390f703cfcca1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}